Mountainair, NM 87036 Frost Dates
Frost dates for Mountainair, NM, ZIP 87036
The last spring frost here typically falls around 05/07, about 252 days from today. The first fall frost typically arrives around 10/09, about 154 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Mountainair, not a forecast for this year.
What to do before the first frost
Zone 7a around Mountainair has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/26 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Mountainair compares
Mountainair's growing season runs about 154 days, ranking 34,384 of 40,283 US ZIP codes measured here, longest to shortest. Within NM, it ranks 260 of 427.
Learn more
the frost range explains how to read the range around Mountainair's dates instead of trusting one, and local microclimates explains what one yard in Mountainair can differ from the 87036 normal.